Happy Halloween, everyone!Check out some of our favorite Halloween looks from Martha Quinn, Christie James, Producer Karena & Morris Knight! 1 of 10Martha Spending Halloween with John RitterHow awesome is this photo? Extra points if you can guess who Martha Quinn is dressed as!2 of 10Martha Quinn Getting into the Olivia Newton-John Physical Frame of Mind!So spot on! Love this past Halloween look from Martha Quinn!3 of 10Christie James as Louise Belcher of Bob's BurgersThis show is hilarious and Christie nailed it! 4 of 10Christie James as the Tooth FairyAnybody missing a tooth? 5 of 10Christie James & Morris KnightChristie James dressing up as a contestant on Double Dare definitely took us back! Plus, how cool does Morris Knight look rocking his ADIDAS and gold chain? 6 of 10Christie James and Producer Karena on Double Dare!This is AMAZING! We'll never forget the year Christie James & Producer Karena picked the perfect costume!7 of 10Christie James & Producer Karena from Napoleon DynamiteChristie James & Producer Karena are basically winning Halloween! Here's a CLASSIC of when they dressed up as Lafawnduh and Pedro from Napoleon Dynamite!8 of 10Producer Karena & Friends as a Walking Party!Is it happy hour yet?9 of 10Christie James as Rosie the Robot Maid from the JetsonsWho didn't love Rosie? Christie James definitely takes the cake with this one!10 of 10Morris Knight, Martha Quinn & Christie JamesSome of our favorite people in one photo! Can someone frame this?